Diagnosis Procedure
1.
CHECK CONNECTOR
Turn the ignition switch OFF.
Disconnect the battery cable from the negative terminal.
Check the following terminals and connectors for damage, bend and loose connection (connector side and harness side).
Data link connector
8CH CAN gateway
Is the inspection result normal?
.
Repair the terminal and connector.
2.
CHECK HARNESS CONTINUITY (OPEN CIRCUIT)
Disconnect the connector of 8CH CAN gateway.
Check the continuity between the 8CH CAN gateway harness connector terminals.
8CH CAN gateway harness connector
Continuity
Connector No.
Terminal No.
M16
2
4
Existed
3
5
Existed
Is the inspection result normal?
.
Check the harness and repair the root cause (diagnosis CAN communication circuit side). Refer to
Diagnosis Procedure
.
3.
CHECK HARNESS FOR OPEN CIRCUIT
Connect the following connectors.
8CH CAN gateway
Check the resistance between the data link connector terminals.
Data link connector
Resistance (Ω)
Connector No.
Terminal No.
M22
6
14
Approx. 54 – 66
Is the measurement value within the specification?
(Present error)
Check CAN system type decision again.
(Past error)
Error was detected in the data link connector branch line circuit.
Repair the data link connector branch line.